Index: /trunk/src/VBox/VMM/PGMPhys.cpp
===================================================================
--- /trunk/src/VBox/VMM/PGMPhys.cpp	(revision 30834)
+++ /trunk/src/VBox/VMM/PGMPhys.cpp	(revision 30835)
@@ -3277,6 +3277,6 @@
     {
         /*
-            * Check that it's not in any of the TLBs.
-            */
+         * Check that it's not in any of the TLBs.
+         */
         PVM pVM = ((PPGMR3PHYSCHUNKUNMAPCB)pvUser)->pVM;
         for (unsigned i = 0; i < RT_ELEMENTS(pVM->pgm.s.ChunkR3Map.Tlb.aEntries); i++)
@@ -3299,5 +3299,4 @@
         }
     }
-
     return 0;
 }
@@ -3455,15 +3454,11 @@
      */
 #ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
-    PPGMCHUNKR3MAP pChunk = (PPGMCHUNKR3MAP)MMR3HeapAlloc(pVM, MM_TAG_PGM_CHUNK_MAPPING, sizeof(*pChunk));
+    PPGMCHUNKR3MAP pChunk = (PPGMCHUNKR3MAP)MMR3HeapAllocZ(pVM, MM_TAG_PGM_CHUNK_MAPPING, sizeof(*pChunk));
 #else
-    PPGMCHUNKR3MAP pChunk = (PPGMCHUNKR3MAP)MMR3UkHeapAlloc(pVM, MM_TAG_PGM_CHUNK_MAPPING, sizeof(*pChunk), NULL);
+    PPGMCHUNKR3MAP pChunk = (PPGMCHUNKR3MAP)MMR3UkHeapAllocZ(pVM, MM_TAG_PGM_CHUNK_MAPPING, sizeof(*pChunk), NULL);
 #endif
     AssertReturn(pChunk, VERR_NO_MEMORY);
     pChunk->Core.Key = idChunk;
     pChunk->AgeCore.Key = pVM->pgm.s.ChunkR3Map.iNow;
-    pChunk->iAge = 0;
-    pChunk->cRefs = 0;
-    pChunk->cPermRefs = 0;
-    pChunk->pv = NULL;
 
     /*